Stapler



FIG. 1 is a front elevational view of a stapler showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a right rear perspective view thereof.

The portions of the stapler shown in broken lines are for illustrative purposes only and form no part of the claimed design. 

We claim the ornamental design for a stapler, as shown and described. 